patch 8.2.3492: crash when pasting too many times
Problem: Crash when pasting too many times.
Solution: Limit the size to what fits in an int. (closes #8962)
diff --git a/src/errors.h b/src/errors.h
index a8ea33d..4cc50e4 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -664,3 +664,5 @@
INIT(= N_("E1238: Blob required for argument %d"));
EXTERN char e_invalid_value_for_blob_nr[]
INIT(= N_("E1239: Invalid value for blob: %d"));
+EXTERN char e_resulting_text_too_long[]
+ INIT(= N_("E1240: Resulting text too long"));
diff --git a/src/register.c b/src/register.c
index f034c64..9f179ea 100644
--- a/src/register.c
+++ b/src/register.c
@@ -2011,8 +2011,15 @@
}
do {
- totlen = count * yanklen;
- if (totlen > 0)
+ long multlen = count * yanklen;
+
+ totlen = multlen;
+ if (totlen != multlen)
+ {
+ emsg(_(e_resulting_text_too_long));
+ break;
+ }
+ else if (totlen > 0)
{
oldp = ml_get(lnum);
if (lnum > start_lnum)
diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
index f3a320f..4a3a0d1 100644
--- a/src/testdir/test_put.vim
+++ b/src/testdir/test_put.vim
@@ -134,4 +134,12 @@
bwipe!
endfunc
+func Test_very_larg_count()
+ new
+ let @" = 'x'
+ call assert_fails('norm 44444444444444p', 'E1240:')
+ bwipe!
+endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index 5fe4dcc..247af25 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 3492,
+/**/
3491,
/**/
3490,